package com.codermn.day726;

/**
 * @author jxau_scf
 * @date 2021/7/26 - 11:07
 */
public class Test {
    public static void main(String[] args) {
        System.out.println("哈哈哈");
        String aaa = null;
        System.out.println(aaa != null);
    }
}
